/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2022 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under Ultimate Liberty license
  * SLA0044, the "License"; You may not use this file except in compliance with
  * the License. You may obtain a copy of the License at:
  *                             www.st.com/SLA0044
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "cmsis_os.h"
#include "adc.h"
#include "dma.h"
#include "i2c.h"
#include "tim.h"
#include "usart.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */

/* Hardware-related header files */

/* Includes redirection for serial port 3 and imitation redirection functions for serial port 1  */
#include "UART_Printf.h"
/* ADC initialization and single scan operation */
#include "ADC_Operation.h"
/* Including ESP8266 initialization and AT-TCP, AT-MQTT instruction send and receive operation functions */
#include "ESP8266.h"
/* This includes the use of hardware IIC to connect the OLED screen for initialization, display characters, and string functions */
#include "OLED.h"
/* Through software operation GPIO and DTH11 for single-bus communication, initialization, data reading, etc */
#include "DTH11.h"
/* Control the buzzer tick and LED2 blink */
#include "BUZZER.h"

/* Header files associated with tasks and task operations */

/* OLED displays the value obtained by the sensor in real time */
#include "Display_Data_Task.h"
/* Obtain internal reference voltage and gas concentration collected by ADC and temperature and humidity data collected by DTH11 */
#include "Get_Sensor_Task.h"
/* Connect to Ali Cloud Iot platform by operating ESP8266 via AT command */
#include "Connect_Iot_Task.h"

/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* 
	Select whether to use external modules : Used during program debugging 
	Make sure there is no problem with the external circuit and components, all one
*/
#define USE_ESP8266 	1
#define USE_OLED     	1
#define USE_DTH11     	0

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */

/* Whether the device is successfully connected to alibaba Cloud Iot platform: it is determined that 
   the device is operated independently and the data is displayed locally; Or upload the data to the cloud 
*/
uint8_t is_connect_iot = 0;

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
void MX_FREERTOS_Init(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{
  /* USER CODE BEGIN 1 */
	uint8_t ret = (uint8_t)OPERATION_SUCCESS;
  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_DMA_Init();
  MX_USART2_UART_Init();
  MX_USART1_UART_Init();
  MX_USART3_UART_Init();
  MX_ADC1_Init();
  MX_TIM3_Init();
  MX_I2C1_Init();
  /* USER CODE BEGIN 2 */
  
  /*-----------------------Initialization of chip peripherals and basic functions - start--------------------------*/
  
  /* Operations related to peripherals after initialization  */
  ret = BSP_Init();
  if(ret!=(int32_t)OPERATION_SUCCESS)
  {
	  Display_Operation_Status("BSP init :" ,ret);
  }
  Display_Operation_Status("BSP init :" ,ret);
  HAL_Delay(1000);
  OLED_CLS();
 
  OLED_ShowStr(20, 0, "start connect iot", 1);
  OLED_ShowStr(2, 2, "please wait 10s", 1);

  ret = Connct_aliyun_iot();
  if(ret!=(int32_t)OPERATION_SUCCESS)
  {
	  Display_Operation_Status("Connect iot platform :" ,ret);
  }
  /* If the connection to the cloud platform is successful, start the online mode */
  if(ret==(int32_t)OPERATION_SUCCESS)is_connect_iot = 1;
 
  Display_Operation_Status("Connect iot platform :" ,ret);
  HAL_Delay(1000);
  OLED_CLS();
  
  OLED_ShowStr(2, 2, "Start single-machine mode", 1);
  HAL_Delay(1000);
  OLED_CLS();
  /*-----------------------Initialization of chip peripherals and basic functions - finish--------------------------*/
  /* USER CODE END 2 */

  /* Call init function for freertos objects (in freertos.c) */
  MX_FREERTOS_Init();
  /* Start scheduler */
  osKernelStart();

  /* We should never get here as control is now taken by the scheduler */
  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};

  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI_DIV2;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL14;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }
  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  {
    Error_Handler();
  }
  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC;
  PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV2;
  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
  {
    Error_Handler();
  }
}

/* USER CODE BEGIN 4 */

/** 
* @description: Operations related to peripherals after initialization 
*               include:
* 				ADC calibration
*               LED Blink
*				CMD UART1_IT 
*
*
* @param {void} 
* @return {int} ret: if BSP init success , return OPERATION_SUCCESS
* @author: leeqingshui 
*/
int32_t BSP_Init(void)
{
	static int32_t ret= (int32_t)OPERATION_SUCCESS;

	/* ----------------------------LED Operation------------------------- */
	/* Led blinks 5 times and buzzer work : BSP initialization is start */
	for(int i=0;i<10;i++)
	{
		HAL_GPIO_TogglePin(LD2_GPIO_Port,LD2_Pin);
		HAL_Delay(50);
	}
	printf("LED init success\r\n");
	
	#if USE_OLED
	/* ----------------------------OLED Operation----------------------- */
	/* The OLED screen is initialized */
	if (OLED_Init() != (uint8_t)OPERATION_SUCCESS)
	{
		printf("OLED init fail\r\n");
		Error_Handler();
		ret= (int32_t)OPERATION_ERROR;
	}
	
	printf("OLED init success\r\n");
	/* The OLED screen prompts initialization to begin */
	OLED_ShowStr(30, 0, "start BSP init", 1);
	OLED_ShowStr(5, 1, "OLED init success", 1);
	
	#endif
	
	/* ----------------------------ADC1 Operation------------------------- */

	/* Start ADC conversion on regular group with transfer by DMA */
	if ((ADC_GetGas_Init()) != (uint8_t)OPERATION_SUCCESS)
	{
		printf("ADC init fail\r\n");
		OLED_ShowStr(5, 2, "ADC init fail", 1);	
		/* Start Error */
		Error_Handler();
		ret= (int32_t)OPERATION_ERROR;
	}
  
	printf("ADC init success\r\n");
	OLED_ShowStr(5, 2, "ADC init success", 1);
	
	#if USE_ESP8266
	/* ----------------------------ESP8266 Operation----------------------- */
	/* ESP8266 initialization */
	if (ESP8266_Init() != (uint8_t)OPERATION_SUCCESS)
	{
		printf("ESP8266 init fail\r\n");
		
		OLED_ShowStr(5, 3, "esp8266 init fail", 1);
		
		Error_Handler();
		ret= (int32_t)OPERATION_ERROR;
	}
	printf("ESP8266 init success\r\n");
	OLED_ShowStr(5, 3, "esp8266 init success", 1);
	
	#endif
	
	#if USE_DTH11
	/* ----------------------------DTH11 Operation----------------------- */
	if (DHT11_Init() != (uint8_t)OPERATION_SUCCESS)
	{
		printf("DTH11 init fail\r\n");
		OLED_ShowStr(5, 4, "DTH11 init fail", 1);
	
		Error_Handler();
		ret= (int32_t)OPERATION_ERROR;
	}
	printf("DTH11 init success\r\n");

	OLED_ShowStr(5, 4, "DTH11 init success", 1);
	
	#else
	DHT11_Init();
	printf("DTH11 init success\r\n");
	OLED_ShowStr(5, 4, "DTH11 init success", 1);
	OLED_CLS();

	#endif
	
	/* 
	LED2 When the blinking interval and the buzzer work for five times, it indicates that the operation starts 
	Indicates that the initialization of the peripheral is successful
	*/
	Buzzer_Work(10,(uint8_t)300);
  
    return ret;
}


/* USER CODE END 4 */

 /**
  * @brief  Period elapsed callback in non blocking mode
  * @note   This function is called  when TIM1 interrupt took place, inside
  * HAL_TIM_IRQHandler(). It makes a direct call to HAL_IncTick() to increment
  * a global variable "uwTick" used as application time base.
  * @param  htim : TIM handle
  * @retval None
  */
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
  /* USER CODE BEGIN Callback 0 */
	
  if (htim->Instance == TIM3) 
  {
	
  }
  
  /* USER CODE END Callback 0 */
  if (htim->Instance == TIM1) {
    HAL_IncTick();
  }
  /* USER CODE BEGIN Callback 1 */
  

  /* USER CODE END Callback 1 */
}

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  while (1)
  {
	  Buzzer_Work(10,(uint8_t)700);
	  Buzzer_Work(10,(uint8_t)2000);
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
